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Changing Batteries
When the battery symbol on the LCD screen flashes, it indicates that the batteries are running low and have to be replaced.
However, it is recommended for the batteries to be replaced every year even if the indicator is not flashing yet.
To replace batteries:
Press MODE until the thermostat is turned to the OFF mode and have the new batteries ready on-hand.
Remove the thermostat from its mounting plate (back cover) carefully.
Remove the old batteries and install new ones quickly.
Replace the thermostat to its original position.
NOTE: If new the batteries are inserted within 20 seconds of removing the old ones, the existing time will not be cleared.
Otherwise, the display may show an incorrect time and the clock will have to be set again.
Memory backup for the Programs and Thermostat Settings
The thermostat has built-in permanent memory which stores all the set programs and thermostat settings if ever the batteries
go completely dead or if the batteries are removed from the thermostat for an extended period of time. When the batteries are
re-inserted, the thermostat will recall and resume with all the stored programs and settings. However, the clock itself will have
to be set again.
Reset
SOFT RESET – If the thermostat shows an abnormal display, press the RESET (R) key located at the back of the thermostat
above the battery compartment. The programs and thermostat settings will remain stored in memory but the clock will have
to be set again.
HARD RESET – To clear the permanent memory (including all stored programs and thermostat settings) or to change the
temperature scale (°C or °F), a hard reset must be performed. To do so, first press and hold the LOCK key. While holding
down the LOCK key, press and release the RESET (R) key located above the battery compartment on the back. The LCD
screen will blank out momentarily. Once the display reappears, then release the LOCK key. The thermostat will be set back
to its default settings.
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